Efficient heat treatment device for automobile steel plate spring

Abstract

The utility model relates to the technical field of automobile part machining, in particular to an efficient heat treatment device for an automobile steel plate spring, which comprises a treatment box, a protection assembly, an adjusting assembly, a fixing assembly, an opening and closing assembly and a heat treatment assembly, a protection assembly is arranged in the treatment box, an adjusting assembly is arranged on the inner side of the treatment box, a fixing assembly is arranged on the inner side of the treatment box, an opening and closing assembly is arranged on one side of the treatment box, and a heat treatment assembly is arranged above the treatment box; the protection assembly comprises a first fixing ring, a first connecting pipe, a metal pipe, a second connecting pipe, a second fixing ring, a first fixing box, a first guide pipe, a first water pump, a water storage box, a second water pump, a second guide pipe and a second fixing box. According to the utility model, slow cooling of a workpiece after heat treatment is realized through the water-cooling circulation structure, and cracks and deformation caused by too high cooling rate due to temperature difference change are effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing technical field especially relates to a high -efficient heat treatment device of automobile steel plate spring. BACKGROUND

[0002] In the automobile manufacturing industry, as an important suspension component, the performance and quality of the steel plate spring are directly related to the driving stability and safety of the automobile. In the heat treatment process of the traditional automobile steel plate spring heat treatment device, due to inaccurate temperature control, unreasonable cooling mode and other reasons, cracks and deformation defects are generated in the workpiece, which seriously affects the service life and performance of the steel plate spring.

[0003] Therefore, in view of the above problems, the present application provides a high -efficient heat treatment device of automobile steel plate spring, which realizes slow cooling of the workpiece after heat treatment through the water cooling circulation structure, effectively prevents cracks and deformation caused by the rapid cooling rate due to temperature difference. SUMMARY

[0004] In order to overcome the problem that the traditional automobile steel plate spring heat treatment device exists in the process of working in daily use, due to inaccurate temperature control, unreasonable cooling mode and other reasons, cracks and deformation defects are generated in the workpiece, which seriously affects the service life and performance of the steel plate spring.

[0005] The technical scheme of the utility model is: a high -efficient heat treatment device of automobile steel plate spring, including processing box, protection assembly, adjusting assembly, fixed assembly, opening and closing assembly and heat treatment assembly, the inside of processing box is provided with protection assembly, the inside of processing box is provided with adjusting assembly, the inside of processing box is provided with fixed assembly, the side of processing box is provided with opening and closing assembly, the top of processing box is provided with heat treatment assembly, protection assembly includes first fixed ring, first connecting pipe, metal pipe, second connecting pipe, second fixed ring, first fixed box, first pipe, first water pump, water storage tank, second water pump, second pipe and second fixed box, the inside of processing box is provided with first fixed ring, the side of first fixed ring is provided with first connecting pipe, the one end of first connecting pipe is provided with metal pipe, metal pipe is provided with multiple groups, the one end of metal pipe is provided with second connecting pipe, the one end of second connecting pipe is provided with second fixed ring, the side of first fixed ring is provided with first fixed box, the side of first fixed box is provided with first pipe, the one end of first pipe is provided with first water pump, the one end of first water pump is provided with water storage tank, the side of water storage tank is provided with second water pump, the one end of second water pump is provided with second pipe, the one end of second pipe is provided with second fixed box, second fixed box and second fixed ring are connected with each other.

[0006] Preferably, the liquid in the water storage tank is introduced into the first fixed box through the first conduit by starting the first water pump, the liquid is shunted into the multiple sets of metal pipes through the first fixed ring by the first fixed, the liquid is introduced into the second fixed box through the metal pipes, the liquid is introduced back into the water storage tank from the second fixed box along the second conduit by starting the second water pump, thereby forming a circulation, when cooling after the heat treatment of the automobile leaf spring workpiece is completed, the automobile leaf spring workpiece is slowly cooled by the water cooling circulation, so that the leaf spring forms a required microstructure state, and the automobile leaf spring workpiece is prevented from being directly taken out for cooling, so that the cooling rate is relatively fast due to temperature difference change, and cracks and deformation of the automobile leaf spring workpiece are caused.

[0007] Preferably, the adjusting assembly comprises a first motor, a first screw rod and a connecting seat; the first motor is arranged on one side of the processing box, the output end of the first motor is provided with the first screw rod, and the outer side of the first screw rod is provided with the connecting seat; and the connecting seat is threadedly connected with the first screw rod.

[0008] Preferably, the fixing assembly comprises a second motor and a second screw rod; the second motor is arranged on one side of the processing box, and the output end of the second motor is provided with the second screw rod; and the second screw rod is provided with two opposite threads.

[0009] Preferably, the fixing assembly further comprises a connecting plate, a connecting rod and a fixing plate; the outer side of the second screw rod is provided with the connecting plate, the connecting plate is provided with two groups, the connecting plate is threadedly connected with the second screw rod, one side of the connecting plate is provided with the connecting rod, and one end of the connecting rod is provided with the fixing plate.

[0010] Preferably, the opening and closing assembly comprises a third motor and a third screw rod; the third motor is arranged on one side of the processing box, and the output end of the third motor is provided with the third screw rod.

[0011] Preferably, the opening and closing assembly further comprises a moving frame and a door plate; the outer side of the third screw rod is provided with the moving frame, the moving frame is threadedly connected with the third screw rod, and one end of the moving frame is provided with the door plate.

[0012] Preferably, the heat treatment assembly comprises a power supply and a heating resistor; the power supply is arranged above the processing box, and the heating resistor is arranged on the inner side of the processing box; and the heating resistor is provided with multiple groups.

[0013] The utility model discloses the beneficial effects of:

[0014] By starting the first water pump, the liquid inside the water storage tank is guided into the first fixed tank through the first conduit, the liquid is guided into the second fixed tank through the metal pipe, the liquid is guided back into the water storage tank from the second fixed tank along the second conduit by starting the second water pump, thereby forming a circulation, when cooling the automobile leaf spring workpiece after the heat treatment is completed, the automobile leaf spring workpiece is slowly cooled by the water cooling circulation, so that the leaf spring forms the required microstructure state, and the automobile leaf spring workpiece is prevented from being directly taken out for cooling, so that the cooling rate is relatively fast due to temperature difference change, and cracks and deformation of the automobile leaf spring workpiece are caused. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of the automobile leaf spring efficient heat treatment device is shown.

[0016] Figure 2 A first cross-sectional structure schematic diagram of the automobile leaf spring efficient heat treatment device is shown.

[0017] Figure 3 A second cross-sectional structure schematic diagram of the automobile leaf spring efficient heat treatment device is shown.

[0018] Figure 4 A local three-dimensional structure schematic diagram of the automobile leaf spring efficient heat treatment device is shown.

[0019] The figure mark explanation: 1, treatment tank;101, first fixed ring;102, first connecting pipe;103, metal pipe;104, second connecting pipe;105, second fixed ring;106, first fixed tank;107, first conduit;108, first water pump;109, water storage tank;110, second water pump;111, second conduit;112, second fixed tank;201, first motor;202, first lead screw;203, connecting seat;301, second motor;302, second lead screw;303, connecting plate;304, connecting rod;305, fixed plate;401, third motor;402, third lead screw;403, moving frame;404, door plate;501, power supply;502, heating resistance. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figure 1The utility model provides a kind of embodiment: a kind of automobile steel plate spring high-efficiency heat treatment device, including processing box 1, protection assembly, adjusting assembly, fixed component, opening and closing component and heat treatment component;The inside of processing box 1 is provided with protection assembly, the inside of processing box 1 is provided with adjusting assembly, the inside of processing box 1 is provided with fixed component, the side of processing box 1 is provided with opening and closing component, the top of processing box 1 is provided with heat treatment component;Protection assembly includes first fixed ring 101, first connecting pipe 102, metal pipe 103, second connecting pipe 104, second fixed ring 105, first fixed box 106, first conduit 107, first water pump 108, water storage tank 109, second water pump 110, second conduit 111 and second fixed box 112;The inside of processing box 1 is provided with first fixed ring 101, the side of first fixed ring 101 is provided with first connecting pipe 102, one end of first connecting pipe 102 is provided with metal pipe 103, metal pipe 103 is provided with multiple groups, one end of metal pipe 103 is provided with second connecting pipe 104, one end of second connecting pipe 104 is provided with second fixed ring 105, the side of first fixed ring 101 is provided with first fixed box 106, the side of first fixed box 106 is provided with first conduit 107, one end of first conduit 107 is provided with first water pump 108, one end of first water pump 108 is provided with water storage tank 109, the side of water storage tank 109 is provided with second water pump 110, one end of second water pump 110 is provided with second conduit 111, one end of second conduit 111 is provided with second fixed box 112, second fixed box 112 and second fixed ring 105 are interconnected.

[0022] Please refer to Figures 2-4In the embodiment, the adjusting assembly comprises a first motor 201, a first screw rod 202 and a connecting seat 203; the first motor 201 is arranged on one side of the processing box 1, the first screw rod 202 is arranged at the output end of the first motor 201, the connecting seat 203 is arranged on the outer side of the first screw rod 202, the connecting seat 203 is threadedly connected with the first screw rod 202, in use, the first motor 201 is started to drive the first screw rod 202 to rotate, the connecting seat 203 is linearly moved by starting the first screw rod 202 to rotate, the protection assembly is moved by the linear movement of the connecting seat 203, so as to load and unload the workpiece needing heat treatment, the fixing assembly comprises a second motor 301 and a second screw rod 302; the second motor 301 is arranged on one side of the processing box 1, the second screw rod 302 is arranged at the output end of the second motor 301, the second screw rod 302 has two opposite threads, in use, the second motor 301 is started to drive the second screw rod 302 to rotate, the fixing assembly further comprises a connecting plate 303, a connecting rod 304 and a fixing plate 305; the connecting plate 303 is arranged on the outer side of the second screw rod 302, the connecting plate 303 is provided with two groups, the connecting plate 303 is threadedly connected with the second screw rod 302, the connecting rod 304 is arranged on one side of the connecting plate 303, the fixing plate 305 is arranged at one end of the connecting rod 304, in use, the connecting plate 303 is linearly moved by the rotation of the second screw rod 302, the connecting rod 304 is linearly moved by the linear movement of the connecting plate 303, the fixing plate 305 is linearly moved by the linear movement of the connecting rod 304, and the workpiece needing machining is clamped and fixed by the linear movement of the fixing plate 305.

[0023] The opening and closing assembly comprises a third motor 401 and a third screw rod 402; the third motor 401 is arranged on one side of the processing box 1, the third screw rod 402 is arranged at the output end of the third motor 401, in use, the third motor 401 is started to drive the third screw rod 402 to rotate, the opening and closing assembly further comprises a moving frame 403 and a door plate 404; the moving frame 403 is arranged on the outer side of the third screw rod 402, the moving frame 403 is threadedly connected with the third screw rod 402, the door plate 404 is arranged at one end of the moving frame 403, in use, the moving frame 403 is linearly moved by the rotation of the third screw rod 402, the door plate 404 is linearly moved by the linear movement of the moving frame 403, the heat treatment device is opened and closed, the heat treatment assembly comprises a power supply 501 and a heating resistor 502; the power supply 501 is arranged above the processing box 1, the heating resistor 502 is arranged on the inner side of the processing box 1, the heating resistor 502 is provided with multiple groups, in use, the power supply 501 is started to heat the heating resistor 502, so as to heat treat the automobile steel plate spring workpiece needing heat treatment.

[0024] When working, firstly, make sure that all components are installed in place and in good working condition; then, start the third motor 401, and drive the moving frame 403 and the door plate 404 to linearly move through the rotation of the third screw rod 402, open the door plate 404 of the processing box 1, and prepare for the feeding of the workpiece; then, start the first motor 201, and drive the connecting seat 203 and the protection assembly to linearly move to the appropriate position through the rotation of the first screw rod 202, so as to place the automobile steel plate spring workpiece to be heat treated in the processing box 1; after the workpiece is placed, start the first motor 201 again to reset the protection assembly; then, start the second motor 301, and drive the two groups of connecting plates 303 and the fixed plate 305 to linearly move in opposite directions through the rotation of the second screw rod 302, so as to clamp and fix the workpiece, and ensure that the workpiece does not move or deform during the heat treatment process;

[0025] After the workpiece is fixed, start the power supply 501 to heat the heating resistor 502, and start the heat treatment of the automobile steel plate spring workpiece; during the heat treatment process, the heating resistor 502 generates high temperature, so that the workpiece reaches the required heat treatment temperature; at the same time, in order to ensure that the temperature control of the workpiece during the heat treatment process is accurate and uniform, the power or heating time of the heating resistor 502 can be adjusted in time; when the heat treatment is completed, in order to prevent the workpiece from being cracked and deformed due to the rapid cooling rate caused by the temperature difference, start the first water pump 108 and the second water pump 110 to form a water cooling circulation; the liquid in the water storage tank 109 is pumped into the first fixed box 106 by the first water pump 108 through the first conduit 107, then is shunted into the multiple groups of metal pipes 103 through the first fixed ring 101, and finally flows into the second fixed box 112; then, the liquid is pumped back to the water storage tank 109 from the second fixed box 112 along the second conduit 111 by the second water pump 110 to form a circulation; this water cooling circulation process slowly cools the workpiece, so that the steel plate spring forms the required microstructure state;

[0026] When the workpiece is cooled to a safe temperature, start the second motor 301 again to loosen the clamping of the workpiece by the fixed plate 305; then, start the first motor 201 to move the workpiece out of the processing box 1 through the linear movement of the connecting seat 203 and the protection assembly; after the workpiece is taken out, start the third motor 401 again to close the door plate 404 of the processing box 1 through the linear movement of the moving frame 403 and the door plate 404; thus, the efficient heat treatment process of the automobile steel plate spring is completed; through the accurate temperature control and the reasonable water cooling circulation mode, the device effectively prevents the workpiece from being cracked and deformed during the heat treatment process, and improves the service life and performance of the steel plate spring.

[0027] Through the above steps, the liquid in the water storage tank 109 is introduced into the first fixed tank 106 by starting the first water pump 108, the liquid is branched into the multiple sets of metal pipes 103 by the first fixed ring 101, the liquid is introduced into the second fixed tank 112 by the metal pipes 103, the liquid is introduced back into the water storage tank 109 from the second fixed tank 112 along the second conduit 111 by starting the second water pump 110, thereby forming a circulation, when cooling after the heat treatment of the automobile leaf spring workpiece is completed, the automobile leaf spring workpiece is slowly cooled by the water cooling circulation, the required microstructure state of the leaf spring is formed, and the automobile leaf spring workpiece is prevented from being directly taken out to cool, so that the cooling rate is relatively fast due to the temperature difference change, and cracks and deformation of the automobile leaf spring workpiece are caused.

[0028] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A high-efficiency heat treatment device for automotive leaf springs, comprising a treatment chamber (1), characterized in that: It also includes a protection component, an adjustment component, a fixing component, an opening and closing component, and a heat treatment component; the processing box (1) is equipped with a protection component inside, an adjustment component is provided inside the processing box (1), a fixing component is provided inside the processing box (1), an opening and closing component is provided on one side of the processing box (1), and a heat treatment component is provided on the top of the processing box (1); the protection component includes a first fixing ring (101), a first connecting pipe (102), a metal pipe (103), a second connecting pipe (104), a second fixing ring (105), a first fixing box (106), a first conduit (107), a first water pump (108), a water storage tank (109), a second water pump (110), a second conduit (111), and a second fixing box (112); the processing box (1) is equipped with a first fixing ring (101) inside, and a first connecting pipe (102) is provided on one side of the first fixing ring (101). The first connecting pipe (102) has a metal pipe (103) at one end, and multiple sets of metal pipes (103) are provided. The second connecting pipe (104) is provided at one end of the metal pipe (103), and the second fixing ring (105) is provided at one end of the second connecting pipe (104). The first fixing box (106) is provided on one side of the first fixing ring (101), and the first conduit (107) is provided on one side of the first fixing box (106). The first water pump (108) is provided at one end of the first water pump (108), and the water storage tank (109) is provided at one end of the water storage tank (109). The second water pump (110) is provided on one side of the water storage tank (109), and the second conduit (111) is provided at one end of the second water pump (110). The second fixing box (112) is provided at one end of the second conduit (111), and the second fixing box (112) is connected to the second fixing ring (105).

2. The high-efficiency heat treatment device for automotive leaf springs according to claim 1, characterized in that: The adjustment assembly includes a first motor (201), a first lead screw (202), and a connecting seat (203); the first motor (201) is provided on one side of the processing box (1), the first lead screw (202) is provided at the output end of the first motor (201), and the connecting seat (203) is provided on the outside of the first lead screw (202), and the connecting seat (203) and the first lead screw (202) are threadedly connected.

3. The high-efficiency heat treatment device for automotive leaf springs according to claim 1, characterized in that: The fixing assembly includes a second motor (301) and a second lead screw (302); the second motor (301) is provided on one side of the processing box (1), and the output end of the second motor (301) is provided with a second lead screw (302), which has two opposite threads.

4. The high-efficiency heat treatment device for automotive leaf springs according to claim 3, characterized in that: The fixing assembly also includes a connecting plate (303), a connecting rod (304), and a fixing plate (305); a connecting plate (303) is provided on the outer side of the second lead screw (302), and two sets of connecting plates (303) are provided. The connecting plate (303) is threadedly connected to the second lead screw (302). A connecting rod (304) is provided on one side of the connecting plate (303), and a fixing plate (305) is provided at one end of the connecting rod (304).

5. The high-efficiency heat treatment device for automotive leaf springs according to claim 1, characterized in that: The opening and closing assembly includes a third motor (401) and a third lead screw (402); the third motor (401) is provided on one side of the processing box (1), and the output end of the third motor (401) is provided with a third lead screw (402).

6. The high-efficiency heat treatment device for automotive leaf springs according to claim 5, characterized in that: The opening and closing assembly also includes a movable frame (403) and a door panel (404); the movable frame (403) is provided on the outside of the third lead screw (402), the movable frame (403) and the third lead screw (402) are threadedly connected, and a door panel (404) is provided at one end of the movable frame (403).

7. The high-efficiency heat treatment device for automotive leaf springs according to claim 1, characterized in that: The heat treatment assembly includes a power supply (501) and a heating resistor (502); the power supply (501) is provided on the top of the treatment box (1), and the heating resistor (502) is provided on the inside of the treatment box (1), and there are multiple sets of heating resistors (502).

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